The change in the developmental fates of different
cell lineages in response to signals from adjacent
tissues is
a. contact inhibition.
b. ooplasmic localization.
c. embryonic induction.
d. pattern formation.
e. all of these.
Answer: c
You might also like to view...
Efficiently translated mRNAs tend to be stable in the cytoplasm; those that are poorly translated tend tobe rapidly degraded. Which of the following is not a step in the pathway for mRNA degradation?
A. targeting of upstream ORFs for nuclease binding B. removal of the poly(A) tail C. removal of the 5' 7-meG cap D. binding of mRNA by 5'-3' and 3'-5' RNA exonucleases
An enzyme is a protein that functions as a biological catalyst.
a. true b. false
A drug, colchicine, can be added to cells in culture and it stops the polymerization of microtubules. What effect would this have on mitosis?
A. It would slow or block mitosis by preventing DNA replication. B. It would slow or block mitosis by interfering with the spindle apparatus function. C. It would speed up mitosis by increasing the elongation rate of the dividing cell. D. It would speed up mitosis by increasing the rate of DNA replication.
An antigenic ________ occurs when genome segments from different influenza strains recombine.
Fill in the blank(s) with the appropriate word(s).